Questions about the GNU General Public License

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-2
votes
3answers
137 views

Trying to understand how MySQL license applies to code I wrote

I have an ERP, coded with Java and the database in MYSQL Community edition. When I was going to sell it to a client he asked me for the sources to my application (with the belief that it is GPLed). I ...
3
votes
2answers
115 views

How restrictive are the GPL's linking restrictions really?

To my basic understanding, software licenses only apply when redistributing software. Even if I am wrong about this in general, the GPL states that you need not agree to the GPL in order to receive or ...
4
votes
1answer
83 views

What precisely do I/my company need to do “make available/publish” source code changes and satisfy GPL/LGPL

This seems like a basic question, but I have not found a definitive source. I need to modify the source for an LGPL application for my employer to plug a security hole. Longer term we will upgrade to ...
0
votes
1answer
53 views

Linking a GPL executable from proprietary .bat script [duplicate]

Licensing question - am I allowed to use a GPL binary executable (.exe) in my copyrighted .bat script? Namely I want to use FART command line tool (find & replace text in files) in an install ...
1
vote
1answer
55 views

Source code modification and GPLv3 compatibility

Assume that the source file A contains the following license notice: "This code is Copyright 1234 by XYZ. It may be freely redistributed in its entirety provided that this copyright notice is not ...
3
votes
2answers
73 views

GPL+FE license also applies to fonts used for the UI of a software? [closed]

The GPL font exception allows the font to be embedded within a digital "document" file without requiring the "document" itself to also be shared with GPL. Now I wonder, what is considered a ...
2
votes
2answers
83 views

Use of AGPL software on server with closed-source software

I need to use some software under the AGPL to populate a database with some data. This software has a web interface, which I shall disable. Then the data will be used "at arms length" with ...
0
votes
1answer
83 views

Using GPL library in our software [duplicate]

Currently we're starting to work on a project for which we're going to need image processing libraries. The problem is some of the libraries are GPL licensed. I'm reading through GPL licence and ...
-1
votes
1answer
49 views

Why GPL was made so that it requires open application code yet not open pipe of compiled applications?

Say we have a GPL library (CGAL for example). We have a big tasks chain like pipes modeling and testing. We would love to use library for our indoors application yet we must open sources... so we make ...
0
votes
2answers
89 views

Is the GPL dangerous to the organisation in terms of exposure of its intellectual property?

GNU General Public License is a ‘Viral License”. If an organisation is using Linux and MySQL which come under this license, is it dangerous to the organisation in terms of exposure of its ...
4
votes
2answers
150 views

Can I, as author and copyright holder, relicense my code under a more liberal license after it has been published under a more restrictive license?

Say, for example I published my code under GPL. A month after release, I decide evil corporations (*cough*) are allowed to use my code after all, because it's so brilliant and bug-free. Can I just ...
13
votes
3answers
501 views

What license is the GPL License licensed under?

The actual GPL License (that is, the text that contains the words "The licenses for most software and other practical works are designed...") is a document; I would assume therefore that it is under ...
0
votes
1answer
65 views

OSS dual licensing / market segregation

I have an open-source project, which I would like to commercially license to various types of businesses. xGPL licenses do not work for me since they don't allow any conditional addenda. What I'm ...
0
votes
3answers
80 views

Forking BSD-Project and changing license [duplicate]

Is it possible to fork a project (which I don't own) and change the license from BSD to for example LGPL / GPL / AGPL? I read it would be possible to change fork's license to something compatible to ...
1
vote
3answers
160 views

Can I use a part of another program without having to give away my rights on my own code?

I'm currently making a game and want to use some textfiles (lists of names) that are covered under the GNU General Public License (or the Attribution-ShareAlike 3.0 Unported License). Do I have to ...
1
vote
0answers
78 views

Software License for project using .NET and Sql Server Express

I considering making my application open source on github. I don't intend to sell it (neither in binary form nor source code form). It probably isn't even useful to a lot of people except maybe for ...
0
votes
0answers
15 views

Does using Xapian in Django-Haystack enforces GPL?

Consider the following situation: She uses Django (BSD) for a website. She uses Haystack (BSD) for textual search in the website. She uses the backend of haystack, xapian-haystack (GPL), to use ...
1
vote
1answer
66 views

Can GPL v2 code link to an LGPL v3 library

If I write a library that is released under the terms of the GPL v2 (or higher, at option); may that library depend on another library released under the LGPL v3 (or higher), without implicitly ...
1
vote
2answers
77 views

Use of MIT-Licensed OSS with GPL Dependencies

I have been assigned to audit third-party dependencies for one of my company's products to make sure we aren't in danger of running afoul of any licenses. This is probably a job for a lawyer, but such ...
1
vote
0answers
57 views

License issue of Spring Data Neo4j?

If I use Spring Data Neo4j to develop a software, and I want to publish it for commercial use with charging, does there exist any license issue? I survey many posts about the license issue of Neo4j ...
-1
votes
1answer
44 views

selling closed source commercial product in a virtualbox (GPL)

Can I sell a closed source commercial product inside a virtualbox VM? This is extremely useful when you want to deliver server side software to users, and not mess in with different OS's ...
2
votes
2answers
249 views

Dalvik + Java licensing question

This is a licensing question about the Dalvik and J2SE core libraries. In particular the license governing java.util.concurrent.SynchronousQueue. The license header of the class in the JDK source ...
1
vote
1answer
61 views

Do I need to publish deployment scripts for deploying AGPL licensed work (MongoDB)

MongoDB is dual-licensed with AGPL (the engine) and ASL 2.0 (the drivers). In a nutshell, merely using MongoDB through the drivers does not dictate to release your source code (due to drivers' ASL 2.0 ...
-1
votes
1answer
82 views

Where does one draw the line between inspiration and plagiarism? [closed]

Suppose one would like to use in an iOS app only one function from a GPLv3 library that contains a large number of them. One cannot simply link the whole library beacuse otherwise the resulting ...
0
votes
2answers
86 views

Under what license may this PyQt-based “Hello World” app be distributed?

Update: I was wrong about the PyQt license. It isn't merely a GPL license. The PyQt authors include a special set of exceptions that allow users to release their own code under a different license, ...
2
votes
2answers
71 views

Am I covered with GPL If I want to create a derived work from a GPLv2 project and change the project name?

Recently I create a fork from an "open source project GPLv2" with different name. I make a major changes in source code and I gave a new name to the modified open source. I kept in the header of each ...
0
votes
0answers
28 views

Calling a GPL binary from command line [duplicate]

I developed some software which I sell / closed souce. There is a GPL executable I would like to call/execute from within my software (and use the data returned by it) if users download the ...
29
votes
3answers
2k views

Forking GPL project: Do I have full rights on the new fork or still dependencies with the original owner(s)

I am considering the creation of a fork to a small project licensed under GPLv2, and I have some very specific questions I did not manage to answer in my research on various sites and foras. When I ...
1
vote
1answer
93 views

When is my code auto GPL'ed?

I'm currently working with Wordpress (GPL). I understood basically when you write a plugin/module/etc. it becomes GPL since it's considered dependent of Wordpress. But on the contrary images and css ...
19
votes
3answers
2k views

Does the GPL allow anyone to obtain GPL software without paying for it?

I've spotted a nice WordPress (GPL) theme for sale. I know somebody who bought it. I have 2 questions: Has the company selling it the obligation to send the source code to whoever (customers or ...
4
votes
1answer
128 views

Can I use GPLd code I wrote on the job as code samples without permission?

I'm currently employed by a business to do website development in Wordpress. I've written a number of custom plugins specifically for a number of clients over the time of my employment. Today, I ...
0
votes
2answers
163 views

can I sell a software that uses a GPL library and another BSD licensed library?

This is the first time I have dealt with licensing issues so I am sorry if I am making any stupid assumptions. My issue is that I have written a program in Python that uses PyQT for the GUI and also ...
0
votes
2answers
176 views

Claim to get my source code used GPL code

I'm running public web site based on Drupal. Drupal is GPL 2 or 3 licence. Of course I wrote custom code which interacts with Drupal code (modules). Can anybody write me an e-mail and ask for the ...
0
votes
0answers
59 views

How does the GNU General Public License (GPL) conform to the Open Source Initiative's (OSI) Open Source Definition (OSD)?

From the OSI's OSD: 1. Free Redistribution The license shall not restrict any party from selling or giving away the software as a component of an aggregate software distribution containing ...
1
vote
2answers
136 views

Optionally Using GPL Library via System API in Closed-Source Application

Please consider the following situation: You write a closed-source application, let's call it A. A depends on a system API (i.e. provided by the OS), that is in turn configurable to use different ...
1
vote
1answer
46 views

Android apps and GPLv2 classpath exception

My Android app needs javax.activation and javax.mail (both GPLv2 licensed). However, I don't want to make my app GPL-licensed. What are the possibilities to not break the license requirements ...
1
vote
2answers
96 views

GPLv3 code in non-GPL software — linking vs. CLI

Suppose there's a GPLv3 app that has a GUI and a CLI. Can I legally expand its CLI (to give me access to functionality hitherto only available via the app's API), release the result under GPL and then ...
0
votes
2answers
272 views

Question regarding ExtJS 4 GPL/commercial license

I am currently in the process of selecting a widget framework to be used for a new project. Current choices are Dojo/ExtJS4. We are leaning on ExtJS4 but might have some issues with the licensing. ...
1
vote
2answers
76 views

GPL and confidential business rules in a single page application

I am designing a web app for a client who wants to keep some of his business rules private, we have an NDA. In a nutshell, customers use the app to book a service, and employees use it to keep track ...
2
votes
1answer
200 views

GPL - Writing an exception for a plugin interface under section 7 of GPLv3

The problem I've written a application for Android licensed under GPLv3 which needs to use Google Play Services, a proprietary library, as a plugin to the app. Now I'd also like to add libspotify as ...
2
votes
2answers
264 views

Using Ubuntu for commercial software development

I am plaining to use Ubuntu for developing Android and php application which I will sell in market. As far as I understand Ubuntu falls under GNU GPL license. In this case do I need to make my source ...
1
vote
1answer
119 views

Advertisements & GPL

I'm planning on providing some GPL software to visitors after they interact with an advertisement. This advertisement will generate revenue for our company, so this would fall under commercial usage. ...
4
votes
1answer
1k views

Why is there a gap between JBoss EAP and the JBoss AS/Community edition?

Admittedly new to this but I wanted to understand why there is a gap between Red Hat's JBoss EAP project (their enterprise version) and JBoss AS/Wildfly/community project. Looking at this post from ...
2
votes
2answers
114 views

Licensing libraries (which do code generation, etc) and GPL boundaries

I want to really opensource a project that did start as a personal hobby, but I'm an ignorant of licensing details. This project, provides some libraries for a given $language, and some wrapper ...
3
votes
1answer
260 views

Using Full GPL Libraries in Software as a Service (SaaS) Models

I already searched the site, but I could only find answers relating to using GPL libraries in software that people were going to sell/distribute. In this case the answer is that they must also make ...
5
votes
1answer
186 views

Does a GPL Bison grammar infect my application?

I am thinking about using a GPL Bison grammar for my own compiler. Will the grammar "infect" my parser such that it needs to be open source? The grammar - in terms of - the input of bison is GPL.
0
votes
3answers
128 views

Sell product containing purchased GPL software

I recently purchased a product (a website template, licensed by GNU GPL 2.0). My product, which is a web software, coded in PHP, uses that web template as its appearance. The question is: How can I ...
6
votes
5answers
289 views

“Enterprise” version of GPL'd code?

I know that there are a number of discussions about the GPL on this site but I just ran in to an interesting case of apparent misuse that I (surprisingly) haven’t seen discussed anywhere. The ...
4
votes
3answers
124 views

Can I release a script that depends on both proprietary and GPL'd libraries to be run?

I'm writing my thesis project in GNU Octave. My project basically consists of a bunch of ".m" files that are written in Octave. I'm also using a proprietary (and unreleased) shared library developed ...
1
vote
1answer
133 views

How do I comply to GPL in case of Appliance?

We are developing an enterprise network appliance which has got some GPL softwares like linux and apache and some others with APL license. But the core of the service is proprietary software and ...